EXTH-47. TUMOUR-TARGETED PAN-RAS INHIBITION AS A NOVEL THERAPY FOR DIFFUSE INTRINSIC PONTINE GLIOMA (DIPG) - Sbergio, Stefanie-Grace; Liang, Peter; Beilhartz, Greg; Patel, Palak; Vadivel, Arun Anguraj; Melnyk, Roman; Hawkins, Cynthia (Neuro-oncology (Charlottesville, Va.), 2023)